On 10/3/2017 9:40 PM, Mikael P. Sundqvist wrote:
Dear Hans (and others),
In the tex stackexchange chat today we were discussing the stix two
fonts, and in particular the spacing between the integral sign and the
lower bound. It is known that this was way to big before (see
https://tex.stackexchange.com/q/327710/52406), but it seems that it is
still too big, at least if one uses the upright version. Judge yourself
from the example file at the end of this email (result attached).
well, normally i don't care too much about it as it's a font design
property and a designers choice
I made a bug report (see
https://sourceforge.net/p/stixfonts/tracking/95/) but Ulrike Fischer
said that it could take time to get it fixed, and that you Hans made a
fix for another bug (https://sourceforge.net/p/stixfonts/tracking/86/)
in the fontloader.
Can you do that for this one as well?
During the discussion Harald Hanche-Olsen came up with the following
"quick fix" for LuaLaTeX:
\usepackage{luatexbase,luacode}
\begin{luacode}
local patch_stixmath = function (fontdata)
if fontdata.psname == "STIXTwoMath"
then
fontdata.characters[983352]["italic"]=3*fontdata.characters[983352]["italic"]
end
end
luatexbase.add_to_callback
(
"luaotfload.patch_font",
patch_stixmath,
"change_stixmath"
)
\end{luacode}
I don't know if this is the way to go, but I thought I should include it.
no it's not the way to go (in context) but i cannot speak for latex
Best regards, Mikael
%%% TEST FILE %%%
\setupbodyfont[stixtwo]
\setupmathematics[
integral=nolimits,
]
\startTEXpage[offset=3bp]
With slanted integral:
\startformula
\int_0^\pi \sin x\,dx=2.
\stopformula
\setupmathematics[stylealternative={upright}]
With upright integral:
\startformula
\int_0^\pi \sin x\,dx=2.
\stopformula
\stopTEXpage
i'll add (hopefully robust) patch code to the goodie file
also, i noticed that there's more wrong with stix2 (i bet that that
would not have happened if the font was made by the gyre folks as they
have a bit more consistent workflow), so i added
% \enabletrackers[otf.preparing]
% \definefontfeature[mathextra][mathextra][fixitalics=true]
to the next beta, not enabled by default because one never knows what
side effects occur
Hans
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Hans Hagen | PRAGMA ADE
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